6510242 has 16 divisors (see below), whose sum is σ = 10245312. Its totient is φ = 3096720.

The previous prime is 6510227. The next prime is 6510247. The reversal of 6510242 is 2420156.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6510247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13892 + ... + 14352.

It is an arithmetic number, because the mean of its divisors is an integer number (640332).

Almost surely, 2^6510242 is an apocalyptic number.

6510242 is a deficient number, since it is larger than the sum of its proper divisors (3735070).

6510242 is a wasteful number, since it uses less digits than its factorization.

6510242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 6510242 is about 2551.5175876329. The cubic root of 6510242 is about 186.7235278873.

Adding to 6510242 its reverse (2420156), we get a palindrome (8930398).

The spelling of 6510242 in words is "six million, five hundred ten thousand, two hundred forty-two".